513140244321 has 8 divisors (see below), whose sum is σ = 684192212800. Its totient is φ = 342090886032.

The previous prime is 513140244289. The next prime is 513140244391. The reversal of 513140244321 is 123442041315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513140244321 - 2⁵ = 513140244289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513140244391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135250 + ... + 1022043.

It is an arithmetic number, because the mean of its divisors is an integer number (85524026600).

Almost surely, 2^513140244321 is an apocalyptic number.

It is an amenable number.

513140244321 is a deficient number, since it is larger than the sum of its proper divisors (171051968479).

513140244321 is a wasteful number, since it uses less digits than its factorization.

513140244321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305095.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 513140244321 its reverse (123442041315), we get a palindrome (636582285636).

The spelling of 513140244321 in words is "five hundred thirteen billion, one hundred forty million, two hundred forty-four thousand, three hundred twenty-one".